WV-CP480, WV-CP484E - Panasonic Video Monitoring Service Manual (repair manual). Page 11

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5. Adjustment Procedure
8
The Location of Test Points and Adjusting controls refer
to Wiring Diagram on page 3-1 and 3-2.
5.1. Adjustment Procedure-1
(1) Flange back (Back Focus) Adjustment
Test Point:
Video Output Connector (CN7)
I/F Board
8
Before adjustment, read the Hints column below.
This adjustment is available only if SETUP-SW LOCK is
set to OFF in the BACK-FOCUS SETUP menu.
8
Aim the Camera at the targeting objects and if applicable
adjustment the zoom angle.
8
Press the SET button. (Refer to the Fig. 5-1-1.)
A bar graph with "I" cursor and INDICATOR (4-digit num-
ber) will be overlaid on the camera picture as shown in Fig.
5-1-2.
Back focus will be automatically adjusted.
8
If needed, perform manual adjustment using the L and R
buttons to obtain the best focus on the targeted object
while observing the picture. See INDICATOR for refer-
ence.
The bar graph will disappear if no operation is performed
for around 10 seconds.
Important: Do not use the ABF function for continuous or
repetitive purposes (ex. auto-focus etc.). This function is
to be used to correct defocus caused by switching
between colour and black - and - white when/after
installing the camera.
POWER
(UP)
(LEFT)
(RIGHT)
(DOWN)
(SET)
NEAR
G /L75
FAR
ABF/MENU
VIDEO OUT
GEN-LOCK
Hi-Z
1  -  2   - AC24V IN
1  -  2   - DC12V IN
GND
(UP)
(LEFT)
(RIGHT)
(DOWN)
(SET)
FAR
ABF/MENU
Hi-Z
G /L75
NEAR
(WV-CP480)
(WV-CP484E)
SET Button
SET Button
Slide the SW Cover.
Fig. 5-1-1
     **MANUAL-ADJ**
 NEAR               FAR
  .........I..........
INDICATOR 9999
 RET TOP END
Fig. 5-1-2
Hints
Before Back-focus Adjustment
Adjustment procedures vary depending on the lens.
Refer to the instructions included with the lens.
Reset the back-focus by pressing the L and R but-
tons simultaneously on the camera, and adjust the
back-focus.
Move the lens focus to the FAR-end when using a
fixed-focal lens (lens focus adjustable type), and
adjust the back-focus.
For Adjusting the Focus
It is recommended that you lower the lighting for the
object to be as dim as possible when adjusting the
focus with an auto iris lens. This will make the iris
open and will result in an accurate focus even
though the lighting conditions vary. This may be
slightly different from the best focus point in a specif-
ic lighting condition.
Compared with cases under visible lights, using
near-infrared lights may somewhat deviate the
focus. It is recommended that you select AUTO or
PRESET for C/L
←  →
B/W in the BACK-FOCUS
SETUP menu to obtain a proper focus for each of
visible and near-infrared lights.
For Using General Vari-focal Lenses 
1. Aim at the objects 10 meters away or more to adjust
the back-focus.
2. For 8x and 10x class lenses, set the zoom to the
WIDE-end and the focus to the FAR-end, and then
adjust the back focus.
3. For 2x and 3x class lenses, set the zoom to the
TELE-end and the focus to the FAR-end, and then
adjust the back focus.
4. Aim the camera at the targeted objects to place
them in the center then coarsely adjust the zoom
angle and the focus of the lens. Finally, perform
adjustment of the back-focus in either ways of using
ABF (automatically) or MANUAL-ADJ (manually).
Note: There may be lenses having an extended range
in lens focus adjustment, except Panasonic lenses.
When using such a lens, set the lens focus back
appropriately from the applicable end position in the
above step 2 and 3 depending on the lens, and then
perform back-focus adjustment. The back-focus will
not be properly adjusted if the lens focus is posi-
tioned into the extended range.
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